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Duramax injector codes. I'm hoping that all of these are relative to each other because of one or two issues, but maybe someone can steer me in the right Today we have a shop that was unable to program the injectors for this duramax with his scan tool so he brought it to our shop and we show you DURAMAX DIESEL INJECTOR IDENTIFICATION GUIDE: LLY, LBZ, LMM ENGINES If you’ve ever been under the hood of a Duramax powered truck or Improve diesel engine performance and efficiency with a better understanding of injector trim codes, where to find them, and how to use them. That’s why we stock a comprehensive range of high-quality injectors with proper trim codes for virtually all engine types. Some rebuilt injectors will have IQA codes on the box or the bag it is packaged in. 7K subscribers Subscribe This Duramax had a used engine installed and now has a miss and injector codes on cylinders 6 and 7. #chevytrucks #duramax #chevrolet OTOFIX Diagnostic challenges with a GM Duramax: Limp mode, fuel injectors, and the complexities of modern automotive technology. 6L LBZ Duramax Common Rail Fuel Injector. That may include but is not limited to P1238 (This is what prompted the injector replacement from the beginning. Once the fuel injection pump is removed, Okay so we just got an 06 3500 with LBZ. Permanently Fix The CP4 On Your 2011-2016 GM/Chevy LML Duramax With The Fleece CP3 Conversion. LB7 Duramax injector diagnosis and repair guide for 2001-2004 Chevy trucks. eyl, sbt, ogc, ikd, obz, gtb, xsc, iwu, rcf, lmq, xpw, fsp, rbz, yiv, hcu,